blob: e427dd1af9447f68a05274fd0cbce8e7debc1a6e [file] [log] [blame]
Jyotsna Vermafdc660b2013-03-22 18:41:34 +00001; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s
2; Generate MemOps for V4 and above.
3
4
5define void @f(i16* nocapture %p) nounwind {
6entry:
Krzysztof Parzyszekc9f797f2018-03-06 19:07:21 +00007; CHECK: memh(r{{[0-9]+}}+#20) -= #1
David Blaikie79e6c742015-02-27 19:29:02 +00008 %add.ptr = getelementptr inbounds i16, i16* %p, i32 10
David Blaikiea79ac142015-02-27 21:17:42 +00009 %0 = load i16, i16* %add.ptr, align 2
Jyotsna Vermafdc660b2013-03-22 18:41:34 +000010 %conv2 = zext i16 %0 to i32
11 %sub = add nsw i32 %conv2, 65535
12 %conv1 = trunc i32 %sub to i16
Manman Ren1a5ff282013-04-30 17:52:57 +000013 store i16 %conv1, i16* %add.ptr, align 2
Jyotsna Vermafdc660b2013-03-22 18:41:34 +000014 ret void
15}
16
17define void @g(i16* nocapture %p, i32 %i) nounwind {
18entry:
Krzysztof Parzyszekc9f797f2018-03-06 19:07:21 +000019; CHECK: memh(r{{[0-9]+}}+#20) -= #1
Jyotsna Vermafdc660b2013-03-22 18:41:34 +000020 %add.ptr.sum = add i32 %i, 10
David Blaikie79e6c742015-02-27 19:29:02 +000021 %add.ptr1 = getelementptr inbounds i16, i16* %p, i32 %add.ptr.sum
David Blaikiea79ac142015-02-27 21:17:42 +000022 %0 = load i16, i16* %add.ptr1, align 2
Jyotsna Vermafdc660b2013-03-22 18:41:34 +000023 %conv3 = zext i16 %0 to i32
24 %sub = add nsw i32 %conv3, 65535
25 %conv2 = trunc i32 %sub to i16
Manman Ren1a5ff282013-04-30 17:52:57 +000026 store i16 %conv2, i16* %add.ptr1, align 2
Jyotsna Vermafdc660b2013-03-22 18:41:34 +000027 ret void
28}